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PartsTable / COMPONENT / DSP4FS428
DSP4FS428 ✓ Verified by PartsTable
— · TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

The BEARING,BALL,AIRFRAME is a the manufacturer industrial component. Key specifications include material: STEEL OUTER RING, bore_diameter: 0.2500 INCHES NOMINAL IN, alignment_type: SELF-ALIGNING, load_direction: RADIAL, inner_ring_width: 0.6870 INCHES NOMINAL IN, outer_ring_width: 0.4640 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-142-4445, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
DSP4FS428
NSN: 3110-00-142-4445
FSC: 3110
CAGE: 21335 — TIMKEN CO DIV THE TIMKEN COMPANY (USA)
SPECIFICATIONS
materialSTEEL OUTER RING
bore_diameter0.2500 INCHES NOMINAL IN
alignment_typeSELF-ALIGNING
load_directionRADIAL
shield_quantity2
inner_ring_width0.6870 INCHES NOMINAL IN
outer_ring_width0.4640 INCHES NOMINAL IN
special_features10.0 DEGREE SELF ALIGNMENT IN EITHER DIRECTION
style_designatorDOUBLE ROW, SELF ALIGNING
surface_treatmentCADMIUM SHIELD
lubrication_materialGREASE
self-alignment_locationINTERNAL
NSN3110-00-142-4445
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: DSP4FS428 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
BORE DIAMETER: 0.2500 INCHES NOMINAL IN
•
LOAD DIRECTION: RADIAL
•
SHIELD QUANTITY: 2
•
ALIGNMENT TYPE: SELF-ALIGNING
•
SELF-ALIGNMENT LOCATION: INTERNAL
•
LUBRICATION MATERIAL: GREASE
•
INNER RING WIDTH: 0.6870 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER0.2500 INCHES NOMINAL IN
LOAD DIRECTIONRADIAL
SHIELD QUANTITY2
ALIGNMENT TYPESELF-ALIGNING
SELF-ALIGNMENT LOCATIONINTERNAL
SPECIAL FEATURES10.0 DEGREE SELF ALIGNMENT IN EITHER DIRECTION
LUBRICATION MATERIALGREASE
INNER RING WIDTH0.6870 INCHES NOMINAL IN
OUTER RING WIDTH0.4640 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM SHIELD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
PD555000AKACInterchangeable
interchangeable cross-reference
interchangeable
SA069893Interchangeable
interchangeable cross-reference
interchangeable
4508 1/4Interchangeable
interchangeable cross-reference
interchangeable
4508Interchangeable
interchangeable cross-reference
interchangeable
L-13-917Interchangeable
interchangeable cross-reference
interchangeable
61Z14A250-04Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is DSP4FS428?
DSP4FS428 is a BEARING,BALL,AIRFRAME.
What parts can replace DSP4FS428?
There are 15 known substitutes for DSP4FS428: PD555000AKAC, SA069893, 4508 1/4 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for DSP4FS428?
DSP4FS428 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-142-4445. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026